1381492868

Names of 1381492868

• Cardinal: 1381492868 can be written as One billion, three hundred eighty-one million, four hundred ninety-two thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.381492868 × 10⁹

Factors of 1381492868

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 649

Divisors of 1381492868

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 28 41 49 82 98 164 196 287 343 574 599 686 1148 1198 1372 1681 2009 2396 3362 4018 4193 6724 8036 8386 11767 14063 16772 23534 24559 28126 29351 47068 49118 56252 58702 82369 98236 117404 164738 171913 205457 329476 343826 410914 576583 687652 821828 1006919 1153166 1203391 2013838 2306332 2406782 4027676 4813564 7048433 8423737 14096866 16847474 28193732 33694948 49339031 98678062 197356124 345373217 690746434 1381492868
• Sum of all divisors σ(n): 2894640000
• Sum of proper divisors (its aliquot sum) s(n): 1513147132
• 1381492868 is an abundant number, because the sum of its proper divisors (1513147132) is greater than itself. Its abundance is 131654264

Bases of 1381492868

• Binary: 1010010010101111110100010000100₂
• Hexadecimal: 0x5257E884
• Base-36: MUI6PW

Squares and roots of 1381492868

• 1381492868 squared (1381492868²) is 1908522544334865424
• 1381492868 cubed (1381492868³) is 2636610283415830386995796032
• The square root of 1381492868 is 37168.4391386025
• The cube root of 1381492868 is 1113.7376016017

Scales and comparisons

• 1,381,492,868 seconds is equal to 43 years, 48 weeks, 1 day, 12 hours, 1 minute, 8 seconds.
• To count from 1 to 1,381,492,868 would take you about eighty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1381492868 cubic inches would be around 92.8 feet tall.

Recreational maths with 1381492868

• 1381492868 backwards is 8682941831
• The number of decimal digits it has is: 10
• The sum of 1381492868's digits is 50
• More coming soon!